Answer:
20[tex]s^{3}[/tex] + 50[tex]s^{2}[/tex] + 32s + 6
Step-by-step explanation:
(4s+2)(5s^2+10s+3)
=(4s+2)(5s^2+10s+3)
=(4s)(5s^2)+(4s)(10s)+(4s)(3)+(2)(5s^2)+(2)(10s)+(2)(3)
=20s^3+40s^2+12s+10s^2+20s+6
=20[tex]s^{3}[/tex] + 50[tex]s^{2}[/tex] + 32s + 6
